#box{
    width:600px;
    margin: 0 auto;
    margin-top: 50px;
}

span{
    color:#999;
}
a{
    float: right;
}
#classification{
    float: left;
}
#preview{
    width:360px;
    height: 360px;
    border: 1px solid gainsboro;
}
#demo1{
    width:100px;
    height: 100px;
    border: solid 1px #ccc;
}
#demo2{
    width:300px;
    height: 300px;
    border: 1px solid #ccc;
}
.backColor{
    background-color: #F1F1F1;
}
.btnRight{
    float: right;
}
.bodyBox{
    width: 89%;
    margin: auto;
    background-color: #FDFDFD;
}
.layui-card-header{
    width: 106%;
}
.flo{
    position: absolute;
    top: 10px;
    right: -25px;
}
.hide{
    display: none;
}
.layui-form-label{
    width: 90px;
}